ReviewJournal of neural transmission (Vienna, Austria : 1996)2026
Towards treatments targeting the gut to improve behavioural outcomes in autism spectrum disorder.
Review in Journal of neural transmission (Vienna, Austria : 1996), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
Funding
Abstract
Autism spectrum disorder (ASD; autism) is a prevalent and heterogeneous neurodevelopmental disorder characterised by social communication difficulties, repetitive behaviour, and restricted interests. For individuals with autism, in particular those who require substantial care-giver support, irritability, heightened sensitivity and aggressive behaviours in response to sensory, social, or environmental triggers can limit access to health, education and community services and impact quality of life. Although gastrointestinal (GI) symptom severity is associated with irritable behaviours in autism, there are few approved medications to address challenging behaviour or comorbid psychiatric disorders, or gut dysfunction in autism. Here, we review the mode of action of drugs undergoing clinical trials for treating irritable behaviour and improving social communication as well as potentially gastrointestinal symptoms in individuals with autism. Repurposed medications such as pimavanserin (an atypical antipsychotic) and the antiparasitic suramin are being trialled for treating irritable behaviours and impaired social interaction, respectively, in autism. NTI164 is a medicinal cannabis-derived biopharmaceutical undergoing clinical safety and efficacy trials for improving social communication and similarly, ML-004 is an investigational drug being assessed for treating social communication deficits. Two other repurposed medications previously utilised for schizophrenia; brexpiprazole and lumateperone, as well as AB-2004, a microbial metabolite sequestering agent (with proposed actions on gut function), are undergoing clinical trials to assess impacts on irritability associated with autism. We also outline emerging findings from clinical studies on the use of gut-targeted small molecules and bacteriophage therapy, prebiotics, probiotic supplementation and faecal microbiota transplantation (FMT), and their potential impact on behavioural symptoms in autism.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.